How Many Mls in a Shot of Coffee? [Standard & Non-Standard]

When it comes to coffee, measuring proportions is key. The weight of the ground coffee you use should be equal to the weight of the liquid coffee you use.

Different coffee brewing methods require different ratios. The “standard” method is about 1:2, and the range for espresso shots is between 1:1 and 1:3. However, it all depends on how many grams of ground coffee you’re using. It’s important to know the volumes in your standard cup because a single shot is 7-9g in 25-35ml out in 25-35s, while a double shot is 14-18g in 50-70ml out in 50-the 70s.

Be sure to note that you should not use the same filter basket when doing a single shot and a double shot; each requires its own filter basket with different amounts of grounds. Different baskets will have a range of weights of ground beans that they work best in.

For example, my Breville Dual Boiler comes with a double basket that works best when dosed with 18-19g of ground coffee. Many machines come with different baskets for single and double shots.

Extraction is a measure of the quality of your brew. Higher amounts of extraction can lead to bitterness, while lower extractions are generally sweeter and smoother. A good level of extraction would be around 30%. So “fully extracted” would mean a long way from here. When you’re thinking about extraction rates in terms of getting ideas out you’ll notice that there are three phases:

  1. You can get some pretty good ideas with just 1–2 people or groups
  2. There will often be a second round when more people or groups feel comfortable speaking up and giving their input
  3. After a certain point, all the best ideas will have been spoken, so forcing more out won’t result in any value

I never weigh my shots. Do them by volume, makes me feel old school.

60ml from 18 grams is a double or two shots. 50ml from 21 grams is also two shots.

Espresso is no longer a 100ml-sized beverage.

What happens to coffee when it’s over-extracted? In my experience, the over-extraction of ground coffee water down the flavor while adding even worse flavors. If you want a larger drink, make a long black. Simply double the amount of ground coffee (something like 16-22g ground coffee – 45-60mls shot), then add water to 3/4 of the cup or mug). If you want your drink to be weaker, simply add more water.

How Many Milliliters Is An Espresso Shot?

A single serving of espresso isn’t very big, but how big is it really? And do you get the same everywhere? Find out below.

Generally, a single espresso serving is 30 ml/28 gr or 1 fl.Oz (28 ml). A double espresso is two servings of a single espresso. However, the traditional Italian serving size of a single espresso is 25 ml while Starbucks only measures 22.2 ml in their “solo” shots.

Here are some tips for how to serve espresso, as well as various serving sizes.

  • Espresso shot size

The standard serving size of a shot of espresso is 30 ml or 1 fl.Oz (28 ml), but the traditional Italian serving size is 25 ml, plus-or-minus 2.5 ml. That corresponds to a shot of espresso from Starbucks, which only measures 0.75 Oz/22.2 ml.

When human baristas are making your espresso, there is always a chance they’ll do things differently. Their technique could be slightly different, resulting in a slightly different flavor profile. While the variation might not seem like much–just one milliliter–it’s not uncommon in the coffee world. Most coffee shops around the world serve a standard 30-milliliter cup of espresso.

It turns out that there are no laws in Italy about espresso – but Italians take it very seriously and there is actually a national institute for espresso (Instituto Nazionale Espresso Italiano). While other countries may make some changes to the way they brew a pot, most Italians stick to a few core parameters. An espresso cup must meet these requirements in order to get its seal of approval.

To earn that certification, you have to have a lot of skills and an expensive espresso machine that pumps out 2.5 milliliters for every 25. That means the official size can be from 22.5 to 27.5 milliliters–which is really close to any size!

In many other coffee shops, a “single” espresso shot is 1 oz; meanwhile, a “double” espresso shot measures 1.5 oz. Starbucks espresso shots are a little different – they serve only 0.75 oz of espresso in their solo cups (22.2 ml) and 1.5 oz in the doppio cups (44.4 ml).

  • Precision

A barista’s job is to make coffee using weights (grams or milliliters) rather than by eye. This can be difficult to gauge by just looking, so the use of a coffee scale is very helpful in getting a consistent taste and serving sizes. Customers expect a certain cup of coffee every day, and this practice preserves what they know and love about your brand. The use of the coffee scale is just one part of making sure your customer experience is identical each time that they return.

Espresso is a small serving and so it’s important to get the measurements just right. The slight difference in taste has a big impact–you need to know how much of each ingredient you’re adding, and then how long to let it brew. Quality espresso requires you to manage many different factors.

Even if you brew espresso at home, it’s a good idea to use a scale. You might want to play around with all the different factors that create a certain flavor. I understand, it’s fun to see what kind of different flavors you can get. However, to compare one shot to the next, you just want to change one variable. A scale helps you keep other variables the same while playing around with one factor.

If you want an easy solution for making your morning espresso, automatic espresso machines can help! Simply press a button and it will prepare the perfect beverage for you. Learn more about espresso machines on our website.

ALSO SEE: Best Coffee Machine For Catering Van

How Big is a Double Espresso?

A double espresso is just a shot of espresso coffee or just a splash of water with espresso coffee mixed into it. It’s the equivalent of one shot or some coffee mixed with hot water.

In a standard coffee shop, a double espresso is simply twice the size of a single. For most shops, that’s 55-60 ml (2 oz).

Many coffee shops actually serve a double espresso and not just the standard single shot. This is because most people enjoy more than 30 grams of liquid in one drink, but this isn’t always the case.

The ratio of coffee grounds to liquid in the cup is 1:2 to 1:2.5 for espresso. A regular espresso requires 12-15 grams to make 30 grams of espresso as well. So if you want to make a double espresso, you would need to put in 24-30 grams of coffee grounds instead.

A double espresso is not two single shots from an espresso machine run back to back. A double espresso is twice the amount of coffee grounds and water in a single cup.

At Starbucks, we offer various types of brewing methods. If you want to enjoy an espresso-based drink but with less caffeine and more water used than in a normal espresso shot, your barista can brew you a Lungo. The ratio for a Lungo is 1:3 or 1:4 (a lungo uses the same amount of coffee grounds as in a single shot of espresso but has more water). This translates to approximately 45-60 ml of coffee. Lungos are similar to double espresso shots but have less caffeine and more water.

What Size is an Espresso Cup?

Speaking of the cup that actually holds the espresso, how big is it and what does it look like?

You don’t want a 30 ml single espresso to be served in a large 16 oz. mug. It will look stupid and ruin the experience. Instead, use something that will present the drink nicely and has a good drinking experience.

Espresso is served in a white china cup which can hold 50-100 ml of liquid. The thickness of the rim should allow for the viscosity of the espresso. For a single serving, you want to pour closer to 50 ml than 100 ml. For a double shot, you’ll want close to 100 ml depending on your preference.

You’ll need a slightly bigger cup if you’re making espresso. The first reason is that you don’t want to fill a cup all the way. Filling a cup all the way makes serving and drinking difficult, and doesn’t look great. The second reason is crema, which is simply foam created by CO2 with an espresso machine’s pressure. Obviously, more foam takes up more space—especially more space in your cup!

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